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New axobject-query Maintainer Faces Backlash Over Controversial Decision to Support Legacy Node.js Versions
A JavaScript library maintainer is under fire after merging a controversial PR to support legacy versions of Node.js.
babel-code-frame
Advanced tools
Package description
The babel-code-frame package is a utility that allows developers to generate a string representing a code frame that highlights a specific portion of the code, typically used to point out syntax errors or other code issues. It can be used to enhance error messages with a visual context of where the issue is located in the source code.
Highlighting code
This feature allows you to highlight a specific part of the code. In the provided code sample, it highlights the word 'Foo' in the given rawLines string.
const { codeFrameColumns } = require('babel-code-frame');
const rawLines = `class Foo {\n constructor()\n}`;
const location = { start: { line: 1, column: 16 }, end: { line: 1, column: 19 } };
const result = codeFrameColumns(rawLines, location, { highlightCode: true });
console.log(result);
Chalk is a popular npm package used for styling terminal strings. While it doesn't generate code frames, it can be used in conjunction with other tools to highlight specific parts of the text in the terminal, similar to how babel-code-frame highlights code.
ansi-styles is a package that provides ANSI escape codes for styling strings in the terminal. Like chalk, it can be used to style and highlight text but does not provide code frame generation.
Cardinal is a syntax highlighter for JavaScript code that can be used in the terminal. It provides functionality similar to babel-code-frame's highlighting feature but is focused on syntax highlighting rather than pinpointing specific code locations.
Readme
Generate errors that contain a code frame that point to source locations.
$ npm install babel-code-frame
import codeFrame from 'babel-code-frame';
const rawLines = `class Foo {
constructor()
}`;
const lineNumber = 2;
const colNumber = 16;
const result = codeFrame(rawLines, lineNumber, colNumber, { /* options */ });
console.log(result);
1 | class Foo {
> 2 | constructor()
| ^
3 | }
FAQs
Generate errors that contain a code frame that point to source locations.
The npm package babel-code-frame receives a total of 3,304,722 weekly downloads. As such, babel-code-frame popularity was classified as popular.
We found that babel-code-frame demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 5 open source maintainers collaborating on the project.
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